Gas valve and gas stove with same
阅读说明:本技术 燃气阀和具有其的燃气灶 (Gas valve and gas stove with same ) 是由 孙明雪 戚正胜 于 2020-06-23 设计创作,主要内容包括:本发明公开了一种燃气阀和具有其的燃气灶,燃气阀包括:阀体,阀体具有容纳腔、进气通道、第一出气通道和第二出气通道,第一出气通道适于连通燃气灶炉头的内环燃气通道且通过第一通气孔与容纳腔连通,第二出气通道适于连通燃气灶炉头的外环燃气通道且通过第二通气孔与容纳腔连通;阀芯,阀芯可转动地配合在容纳腔内,阀芯具有分气腔和与分气腔连通的过气孔,进气通道与分气腔连通,过气孔在阀芯转动时可选择地与第一通气孔和/或第二通气孔连通,且在阀芯转动时过气孔与第一出气通道和/或第二出气通道始终连通。根据本发明实施例的燃气阀具有阀芯的旋转角度大、燃气阀的流量调节线性好和火力连贯不熄火等优点。(The invention discloses a gas valve and a gas stove with the same, wherein the gas valve comprises: the gas stove comprises a valve body, a gas inlet channel, a first gas outlet channel and a second gas outlet channel, wherein the valve body is provided with a containing cavity, a gas inlet channel, a first gas outlet channel and a second gas outlet channel; the valve core is rotatably matched in the accommodating cavity and provided with a gas distribution cavity and a gas passing hole communicated with the gas distribution cavity, the gas inlet channel is communicated with the gas distribution cavity, the gas passing hole is selectively communicated with the first vent hole and/or the second vent hole when the valve core rotates, and the gas passing hole is always communicated with the first gas outlet channel and/or the second gas outlet channel when the valve core rotates. The gas valve provided by the embodiment of the invention has the advantages of large rotation angle of the valve core, good flow regulation linearity of the gas valve, continuity in firepower, no flameout and the like.)
1. A gas valve, comprising:
the gas stove comprises a valve body, a gas inlet channel, a first gas outlet channel and a second gas outlet channel, wherein the valve body is provided with a containing cavity, a gas inlet channel, a first gas outlet channel and a second gas outlet channel, the first gas outlet channel is suitable for being communicated with an inner ring gas channel of the gas stove head and communicated with the containing cavity through a first vent hole, and the second gas outlet channel is suitable for being communicated with an outer ring gas channel of the gas stove head and communicated with the containing cavity through a second vent hole;
the valve core is rotatably matched in the accommodating cavity and provided with a gas distribution cavity and a gas passing hole communicated with the gas distribution cavity, the gas inlet channel is communicated with the gas distribution cavity, the gas passing hole is selectively communicated with the first vent hole and/or the second vent hole when the valve core rotates, and the gas passing hole is always communicated with the first gas outlet channel and/or the second gas outlet channel when the valve core rotates.
2. A gas valve as claimed in claim 1, wherein the gas passing holes comprise first and second gas passing holes arranged at intervals, the first gas passing hole is adapted to communicate with the first gas passing hole, the second gas passing hole is adapted to communicate with the first and second gas passing holes, the gas valve has a first operating state, a second operating state and a third operating state,
in the first working state, the first air passing hole is communicated with the first air outlet channel, and the second air passing hole is disconnected with the first air outlet channel and the second air outlet channel;
in the second working state, the first air passing hole is communicated with the first air outlet channel, and the second air passing hole is communicated with the second air outlet channel;
and in the third working state, the second air passing hole is communicated with the first air outlet channel, and the first air passing hole is disconnected with the first air outlet channel.
3. A gas valve as claimed in claim 2, wherein the gas valve is sequentially switched among the first operating state, the second operating state and the third operating state when the spool rotates, and the gas valve has a trend of increasing the gas output before decreasing the gas output.
4. A gas valve as claimed in claim 2, wherein the gas passing holes further comprise a third gas passing hole adapted to communicate with the first gas passing hole, the third gas passing hole having a smaller flow area than the first gas passing hole and smaller flow area than the second gas passing hole, the gas valve further having a fifth operating condition in which the third gas passing hole communicates with the first gas outlet passage.
5. A gas valve as claimed in claim 1, wherein the gas passing holes comprise first, second and third gas passing holes arranged at intervals, the first gas passing hole being adapted to communicate with the first gas passing hole, the second gas passing hole being adapted to communicate with the first and second gas passing holes, the third gas passing hole being adapted to communicate with the first gas passing hole.
6. A gas valve as claimed in claim 8, wherein the first and third gas passing holes are higher than the second gas passing hole in the axial direction of the valve core.
7. A gas valve as claimed in claim 8, wherein the first air passing hole, the second air passing hole and the third air passing hole are arranged adjacent to each other in the circumferential direction of the valve core, and the second air passing hole is located between the first air passing hole and the third air passing hole.
8. A gas valve as claimed in claim 5, wherein the first venting hole comprises, in order in the direction of extension of the receiving chamber, a communicating first aperture portion adapted to communicate with the first gas passing hole or the third gas passing hole, and a communicating second aperture portion adapted to communicate with the second gas passing hole or the third gas passing hole.
9. A gas valve as claimed in claim 1, wherein the first ventilation aperture is provided in a side wall of the housing chamber, the first ventilation aperture being inclined in a direction of thickness of the side wall.
10. A gas valve as claimed in claim 1, wherein the angle between the second vent hole and the first vent hole is less than or equal to 90 degrees in the circumferential direction of the accommodating chamber, and the height of the first vent hole is higher than the height of the second vent hole in the axial direction of the accommodating chamber.
11. A gas valve as claimed in claim 1, wherein the inlet of the inlet channel, the outlet of the first outlet channel and the outlet of the second outlet channel have the same opening direction, and the central lines of the inlet channel, the first outlet channel and the second outlet channel are in the same plane.
12. A gas valve as claimed in claim 1, wherein the thickness of the valve body is less than or equal to 18 mm.
13. A gas burner characterized by comprising a gas valve according to any one of claims 1-12.
Technical Field
The invention relates to the technical field of gas stove manufacturing, in particular to a gas valve and a gas stove with the gas valve.
Background
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the gas valve which has the advantages of large rotation angle of the valve core, good flow regulation linearity of the gas valve, continuous firepower, no flameout and the like.
The invention also provides a gas stove with the gas valve.
To achieve the above object, an embodiment according to a first aspect of the present invention proposes a gas valve comprising: the gas stove comprises a valve body, a gas inlet channel, a first gas outlet channel and a second gas outlet channel, wherein the valve body is provided with a containing cavity, a gas inlet channel, a first gas outlet channel and a second gas outlet channel, the first gas outlet channel is suitable for being communicated with an inner ring gas channel of the gas stove head and communicated with the containing cavity through a first vent hole, and the second gas outlet channel is suitable for being communicated with an outer ring gas channel of the gas stove head and communicated with the containing cavity through a second vent hole; the valve core is rotatably matched in the accommodating cavity and provided with a gas distribution cavity and a gas passing hole communicated with the gas distribution cavity, the gas inlet channel is communicated with the gas distribution cavity, the gas passing hole is selectively communicated with the first vent hole and/or the second vent hole when the valve core rotates, and the gas passing hole is always communicated with the first gas outlet channel and/or the second gas outlet channel when the valve core rotates.
The gas valve provided by the embodiment of the invention has the advantages of large rotation angle of the valve core, good flow regulation linearity of the gas valve, continuity in firepower, no flameout and the like.
In addition, the gas valve according to the above embodiment of the present invention may further have the following additional technical features:
according to some embodiments of the present invention, the gas passing holes include a first gas passing hole and a second gas passing hole which are arranged at intervals, the first gas passing hole is suitable for being communicated with the first gas passing hole, the second gas passing hole is suitable for being communicated with the first gas passing hole and the second gas passing hole, the gas valve has a first working state, a second working state and a third working state, in the first working state, the first gas passing hole is communicated with the first gas outlet channel, and the second gas passing hole is disconnected with the first gas outlet channel and the second gas outlet channel; in the second working state, the first air passing hole is communicated with the first air outlet channel, and the second air passing hole is communicated with the second air outlet channel; and in the third working state, the second air passing hole is communicated with the first air outlet channel, and the first air passing hole is disconnected with the first air outlet channel.
According to some embodiments of the invention, the gas valve is sequentially switched among the first working state, the second working state and the third working state when the valve core rotates, and the gas output of the gas valve has a trend of increasing first and then decreasing.
According to some embodiments of the invention, the gas passing hole further comprises a third gas passing hole, the third gas passing hole is adapted to communicate with the first vent hole, a flow area of the third gas passing hole is smaller than a flow area of the first gas passing hole and smaller than a flow area of the second gas passing hole, and the gas valve further has a fifth operating state in which the third gas passing hole communicates with the first gas outlet channel.
According to some embodiments of the invention, the air passing holes comprise a first air passing hole, a second air passing hole and a third air passing hole which are arranged at intervals, the first air passing hole is suitable for being communicated with the first air passing hole, the second air passing hole is suitable for being communicated with the first air passing hole and the second air passing hole, and the third air passing hole is suitable for being communicated with the first air passing hole.
According to some embodiments of the invention, the height of the first air passing hole and the third air passing hole is higher than the height of the second air passing hole in the axial direction of the valve element.
According to some embodiments of the invention, the first air passing hole, the second air passing hole and the third air passing hole are arranged adjacent to each other in the circumferential direction of the valve core, and the second air passing hole is located between the first air passing hole and the third air passing hole.
According to some embodiments of the present invention, the first vent hole includes a first opening portion and a second opening portion in sequence in an extending direction of the accommodating chamber, the first opening portion is adapted to communicate with the first air passing hole or the third air passing hole, and the second opening portion is adapted to communicate with the second air passing hole or the third air passing hole.
According to some embodiments of the invention, the first vent hole is provided in a side wall of the accommodating chamber, and the first vent hole is arranged obliquely in a thickness direction of the side wall.
According to some embodiments of the invention, an included angle between the second vent hole and the first vent hole is smaller than or equal to 90 degrees in the circumferential direction of the accommodating chamber, and the height of the first vent hole is higher than that of the second vent hole in the axial direction of the accommodating chamber.
According to some embodiments of the present invention, the inlet of the inlet channel, the outlet of the first outlet channel and the outlet of the second outlet channel have the same opening direction, and the center lines of the inlet channel, the first outlet channel and the second outlet channel are located in the same plane.
According to some embodiments of the invention, the thickness of the valve body is less than or equal to 18 millimeters.
An embodiment according to a second aspect of the invention proposes a gas burner comprising a gas valve according to an embodiment of the first aspect of the invention.
According to the gas stove provided by the embodiment of the invention, by utilizing the gas valve provided by the embodiment of the first aspect of the invention, the gas valve has the advantages of large rotation angle of the valve core, good flow regulation linearity of the gas valve, consistent firepower and no flameout.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a gas valve according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a gas valve according to some embodiments of the present invention.
FIG. 3 is a cross-sectional view of a gas valve according to some embodiments of the present invention.
FIG. 4 is a cross-sectional view of a gas valve according to further embodiments of the present invention.
FIG. 5 is a cross-sectional view of a gas valve according to further embodiments of the present invention.
FIG. 6 is a cross-sectional view of a gas valve according to further embodiments of the present invention.
FIG. 7 is a cross-sectional view of a gas valve according to further embodiments of the present invention.
FIG. 8 is a cross-sectional view of a gas valve according to further embodiments of the present invention.
FIG. 9 is a cross-sectional view of a gas valve according to still further embodiments of the invention.
FIG. 10 is a cross-sectional view of a gas valve according to still further embodiments of the invention.
FIG. 11 is a cross-sectional view of a gas valve according to still further embodiments of the invention.
FIG. 12 is a cross-sectional view of a gas valve according to further embodiments of the present invention.
FIG. 13 is a cross-sectional view of a gas valve according to further embodiments of the present invention.
FIG. 14 is a cross-sectional view of a gas valve according to further embodiments of the present invention.
Fig. 15 is a schematic structural view of a valve cartridge of a gas valve according to an embodiment of the present invention.
Fig. 16 is a sectional view of a valve body of a gas valve according to an embodiment of the present invention.
Reference numerals: the gas valve comprises a gas valve 1, a
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A gas valve 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 16, a gas valve 1 according to an embodiment of the present invention includes a valve body and a valve core.
The
It should be understood herein that the "the
For example, the gas valve 1 is a valve structure for manually adjusting and controlling the on-off of gas and adjusting the gas flow, and the gas valve 1 includes a
According to the gas valve 1 of the embodiment of the present invention, the
Moreover, the
Therefore, the
In addition, the
It should be understood that "the
Therefore, the gas valve 1 according to the embodiment of the present invention has the advantages of a large rotation angle of the
A gas valve 1 according to an embodiment of the present invention will be described below with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1 to 16, a gas valve 1 according to an embodiment of the present invention includes a
Specifically, the
Alternatively, during rotation of the
More specifically, the gas valve 1 also has a fourth operating state in which the second porous hole 212 communicates with the
Optionally, in the process that the
In some embodiments, the
Optionally, in the process that the
The specific structure of the gas valve according to some embodiments of the present invention is described below.
Specifically, as shown in fig. 15, the
Specifically, the inner bore section 214 may be a circular hole, and the outer bore section 215 may be a kidney-circular hole extending in the circumferential direction of the
Alternatively, the
Of course, the
In some embodiments, as shown in fig. 15, the
Specifically, as shown in fig. 15, the first air passing hole 211 and the third air passing hole 213 have a height higher than that of the second air passing hole 212 in the axial direction of the valve body 200 (the vertical direction is shown by an arrow a in fig. 15). Therefore, the second air passing hole 212, the first air passing hole 211 and the third air passing hole 213 can be arranged in a staggered mode, the shapes of the first air passing hole 211, the second air passing hole 212 and the third air passing hole 213 can be designed and processed conveniently, and the first air passing hole 211, the second air passing hole 212 and the third air passing hole 213 can be guaranteed to have enough sealing distance.
Alternatively, as shown in fig. 15, the first air passing hole 211, the second air passing hole 212 and the third air passing hole 213 are disposed adjacent to each other in the circumferential direction of the
Specifically, as shown in fig. 6, the
Alternatively, as shown in fig. 6, the
Specifically, in the circumferential direction of the
In some embodiments, as shown in fig. 1, the inlet of
Alternatively, as shown in fig. 16, the
Further, the air receiver 140 is provided with a guide slope 141 adapted to guide the gas flowing into the
Specifically, the thickness of the
Specifically, the gas valve 1 uses the second air passing hole 212 of the
In some embodiments, as shown in fig. 2 and 3, the rotation angle of the valve core 200 is 0 degree, that is, the valve core 200 does not rotate, and at this time, the first air outlet channel 120 and the second air outlet channel 130 are both in the off state, and no gas passes through; as shown in fig. 4-6, the rotation angle of the valve core 200 is 40 degrees, the first air outlet channel 120 is exhausted, and the second air outlet channel 130 is still in a disconnected state; as shown in fig. 7 and 8, the rotation angle of the valve core 200 is 90 degrees, and at this time, the gas valve 1 is at a large fire position, that is, the fire power of the gas valve 1 is the largest, and both the first gas outlet channel 120 and the second gas outlet channel 130 are communicated with the valve core 200 for gas outlet; as shown in fig. 9-11, the rotation angle of the valve core 200 is 170 degrees, at this time, the first air outlet channel 120 is in an air outlet state, and the second air outlet channel 130 is in a disconnected state; as shown in fig. 12-14, the rotation angle of the gas valve 1 is 225 degrees, and at this time, the gas valve 1 is at a low fire position, i.e. the fire power of the gas valve 1 is the minimum, only the first air outlet channel 120 is left to discharge air, and the fire power of the minimum fire is determined by the micro-fire aperture of the third air vent 213. Of course, the angle of the small fire position is not fixed, and can be set arbitrarily, for example, the rotation angle of the gas valve 1 can be 225 degrees, and the rotation angle of the gas valve 1 can also be 220 degrees.
Specifically, the valve rod of the gas valve 1 is rotated to drive the
Optionally, one side of the receiving cavity has an opening through which the valve core is adapted to fit into the receiving cavity. The cross section of the accommodating cavity is gradually reduced from the opening side to the side far away from the opening. In other words, at least a part of the inner peripheral wall of the housing chamber is formed as a conical surface, and at least a part of the outer peripheral wall of the valve body is formed as a conical surface that fits the inner peripheral wall of the housing chamber.
According to one embodiment of the present invention, the gas valve 1 includes a valve body and a valve core. The valve body is provided with a containing cavity, an air inlet channel, a first air outlet channel and a second air outlet channel, the first air outlet channel is suitable for being communicated with an inner ring gas channel of the gas stove burner and communicated with the containing cavity through a first vent hole, and the second air outlet channel is suitable for being communicated with an outer ring gas channel of the gas stove burner and communicated with the containing cavity through a second vent hole. The valve core is rotatably matched in the accommodating cavity and is provided with a gas distribution cavity and a gas passing hole communicated with the gas distribution cavity, the gas inlet channel is communicated with the gas distribution cavity, and the gas passing hole is selectively communicated with the first vent hole and/or the second vent hole when the valve core rotates.
The air passing hole sequentially comprises an inner hole section and an outer hole section which are communicated in the radial direction of the valve core, and the opening area of the inner hole section is smaller than that of the outer hole section. The rotatable angle range of the valve core is 0-225 degrees. The air passing holes comprise first air passing holes, second air passing holes and third air passing holes which are arranged at intervals, the first air passing holes are suitable for being communicated with the first vent holes, the second air passing holes are suitable for being communicated with the first vent holes and the second vent holes, and the third air passing holes are suitable for being communicated with the first vent holes. In the axial direction of the valve core, the heights of the first air passing hole and the third air passing hole are higher than the height of the second air passing hole. The first air passing hole, the second air passing hole and the third air passing hole are arranged in the circumferential direction of the valve core in an adjacent mode, and the second air passing hole is located between the first air passing hole and the third air passing hole.
The first vent hole includes first trompil portion and the second trompil portion of intercommunication in proper order on the extending direction who holds the chamber, and first trompil portion is suitable for and crosses gas pocket intercommunication or third, and the second trompil portion is suitable for and crosses the gas pocket intercommunication with the second. The first vent hole is inclined to the first air outlet channel from the side wall of the accommodating cavity. In the circumferential direction of the accommodating cavity, the first vent hole is arranged adjacent to the second vent hole, and the height of the first vent hole is higher than that of the second vent hole.
The opening directions of the air inlet channel, the air outlet of the first air outlet channel and the air outlet of the second air outlet channel are the same, and the central lines of the air inlet channel, the first air outlet channel and the second air outlet channel are located in the same plane.
The valve body further comprises an air storage chamber, and the air storage chamber is communicated between the air inlet channel and the accommodating cavity. The gas storage chamber is provided with a guide inclined plane which is suitable for guiding the fuel gas to flow into the gas distribution chamber. The thickness of the valve body is less than or equal to 18 millimeters.
Further, the gas valve 1 has a first operating state, a second operating state, a third operating state, a fourth operating state and a fifth operating state. In the first operating state, the first air passing holes 211 are communicated with the first
In the process that the
A gas range according to an embodiment of the present invention is described below. The gas range according to the embodiment of the present invention includes the gas valve 1 according to the above-described embodiment of the present invention.
The thickness of the gas valve 1 determines the thickness of the whole gas stove. Therefore, the ultra-thin valve is a necessary condition for the ultra-thin range.
According to the gas stove provided by the embodiment of the invention, by utilizing the gas valve 1 provided by the embodiment of the invention, the gas valve 1 has the advantages of large rotation angle of the valve core, good flow regulation linearity of the gas valve, continuous firepower, no flameout and the like.
Other constructions and operations of the gas range according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
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